Geophysical Interpretation of Contour Closures for Formation Evaluation of a Niger Delta Field, Nigeria

The geophysical interpretation of contour closures is crucial for effective formation evaluation in hydrocarbon exploration. This study focuses on the comprehensive interpretation of contour closures within a selected Niger Delta field, using high-resolution 3D seismic data, seismic-attribute analysis, and petrophysical well logs. The objective is to identify and characterize structural and stratigraphic traps, assess their hydrocarbon potential, and prioritize prospects for further exploration. Seismic data processing generated detailed structural and isopach maps, which were integrated with well logs to provide valuable lithological and petrophysical insights. The study reveals the presence of fault-bounded traps and anticlinal structures, which are critical for hydrocarbon accumulation. The integration of seismic and well-log data facilitated the identification of key reservoir zones with elevated resistivity and lower gamma-ray values, indicating potential hydrocarbon-bearing intervals. Results show that the field exhibits significant hydrocarbon potential, with a complex structural setting influencing the distribution of reservoir quality and fluid saturation. This study contributes to the understanding of the field's prospectivity by providing a detailed analysis of hydrocarbon zones, aiding in the optimization of future drilling and exploration strategies. The findings support the need for targeted exploration in identified high-potential areas, thus enhancing hydrocarbon recovery in the Niger Delta region.